Home / 4,904.18-7,352.10-2,128.76

Finding the Fourth Proportional to 4,904.18, 7,352.10 and 2,128.76

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Solution

The fourth proportional to 4,904.18, 7,352.10 and 2,128.76 is: 3,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.18 : 7,352.10 = 2,128.76 : x
  2. Step 2: Convert to fraction form
    4,904.18/7,352.10 = 2,128.76/x
  3. Step 3: Cross multiply
    4,904.18x = 7,352.10 × 2,128.76
  4. Step 4: Simplify right side
    4,904.18x = 15,650,819.64
  5. Step 5: Solve for x
    x = 15,650,819.64/4,904.18
  6. Step 6: Final answer
    x = 3,191.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.